13919620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 35675136

約数和(自身を除く): 21755516

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 157, 220, 260, 286, 310, 314, 341, 403, 572, 620, 628, 682, 715, 785, 806, 1364, 1430, 1570, 1612, 1705, 1727, 2015, 2041, 2860, 3140, 3410, 3454, 4030, 4082, 4433, 4867, 6820, 6908, 8060, 8164, 8635, 8866, 9734, 10205, 17270, 17732, 19468, 20410, 22165, 22451, 24335, 34540, 40820, 44330, 44902, 48670, 53537, 63271, 88660, 89804, 97340, 107074, 112255, 126542, 214148, 224510, 253084, 267685, 316355, 449020, 535370, 632710, 695981, 1070740, 1265420, 1391962, 2783924, 3479905, 6959810, 13919620]

約数ペア:

[(1, 13919620), (2, 6959810), (4, 3479905), (5, 2783924), (10, 1391962), (11, 1265420), (13, 1070740), (20, 695981), (22, 632710), (26, 535370), (31, 449020), (44, 316355), (52, 267685), (55, 253084), (62, 224510), (65, 214148), (110, 126542), (124, 112255), (130, 107074), (143, 97340), (155, 89804), (157, 88660), (220, 63271), (260, 53537), (286, 48670), (310, 44902), (314, 44330), (341, 40820), (403, 34540), (572, 24335), (620, 22451), (628, 22165), (682, 20410), (715, 19468), (785, 17732), (806, 17270), (1364, 10205), (1430, 9734), (1570, 8866), (1612, 8635), (1705, 8164), (1727, 8060), (2015, 6908), (2041, 6820), (2860, 4867), (3140, 4433), (3410, 4082), (3454, 4030)]